Document Type and Number:
Japanese Patent JPS5525443
Kind Code:
Y2
Application Number:
JP13890777U
Publication Date:
June 19, 1980
Filing Date:
October 17, 1977
Export Citation:
International Classes:
H04R1/06; G10K11/00; G11B3/10; H01B5/14; H03G1/00; H03G3/00; H05K7/02; (IPC1-7): H01B5/14; G11B3/10; H04R1/06